2 /* Copyright (C) 2002 Geoffrey T. Dairiki <dairiki@dairiki.org>
3 * Copyright (C) 2004,2005 Reini Urban
4 * Copyright (C) 2008-2009 Marc-Etienne Vargenau, Alcatel-Lucent
6 * This file is part of PhpWiki.
8 * PhpWiki is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * PhpWiki is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with PhpWiki; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 require_once('lib/HtmlElement.php');
23 require_once('lib/CachedMarkup.php');
24 require_once('lib/InlineParser.php');
27 * Deal with paragraphs and proper, recursive block indents
28 * for the new style markup (version 2)
30 * Everything which goes over more than line:
31 * automatic lists, UL, OL, DL, table, blockquote, verbatim,
37 * FIXME: unify this with the RegexpSet in InlineParser.
39 * FIXME: This is very php5 sensitive: It was fixed for 1.3.9,
40 * but is again broken with the 1.3.11
41 * allow_call_time_pass_reference clean fixes
44 * @author: Geoffrey T. Dairiki
48 * Return type from RegexpSet::match and RegexpSet::nextMatch.
52 class AnchoredRegexpSet_match {
59 * The text following the matched text.
64 * Index of the regular expression which matched.
70 * A set of regular expressions.
72 * This class is probably only useful for InlineTransformer.
74 class AnchoredRegexpSet
78 * @param $regexps array A list of regular expressions. The
79 * regular expressions should not include any sub-pattern groups
80 * "(...)". (Anonymous groups, like "(?:...)", as well as
81 * look-ahead and look-behind assertions are fine.)
83 function AnchoredRegexpSet ($regexps) {
84 $this->_regexps = $regexps;
85 $this->_re = "/((" . join(")|(", $regexps) . "))/Ax";
89 * Search text for the next matching regexp from the Regexp Set.
91 * @param $text string The text to search.
93 * @return object A RegexpSet_match object, or false if no match.
95 function match ($text) {
96 if (!is_string($text)) return false;
97 if (! preg_match($this->_re, $text, $m)) {
101 $match = new AnchoredRegexpSet_match;
102 $match->postmatch = substr($text, strlen($m[0]));
103 $match->match = $m[1];
104 $match->regexp_ind = count($m) - 3;
109 * Search for next matching regexp.
111 * Here, 'next' has two meanings:
113 * Match the next regexp(s) in the set, at the same position as the last match.
115 * If that fails, match the whole RegexpSet, starting after the position of the
118 * @param $text string Text to search.
120 * @param $prevMatch A RegexpSet_match object
122 * $prevMatch should be a match object obtained by a previous
123 * match upon the same value of $text.
125 * @return object A RegexpSet_match object, or false if no match.
127 function nextMatch ($text, $prevMatch) {
128 // Try to find match at same position.
129 $regexps = array_slice($this->_regexps, $prevMatch->regexp_ind + 1);
134 $pat= "/ ( (" . join(')|(', $regexps) . ") ) /Axs";
136 if (! preg_match($pat, $text, $m)) {
140 $match = new AnchoredRegexpSet_match;
141 $match->postmatch = substr($text, strlen($m[0]));
142 $match->match = $m[1];
143 $match->regexp_ind = count($m) - 3 + $prevMatch->regexp_ind + 1;;
150 class BlockParser_Input {
152 function BlockParser_Input ($text) {
154 // Expand leading tabs.
155 // FIXME: do this better.
157 // We want to ensure the only characters matching \s are ' ' and "\n".
159 $text = preg_replace('/(?![ \n])\s/', ' ', $text);
160 assert(!preg_match('/(?![ \n])\s/', $text));
162 $this->_lines = preg_split('/[^\S\n]*\n/', $text);
165 // Strip leading blank lines.
166 while ($this->_lines and ! $this->_lines[0])
167 array_shift($this->_lines);
168 $this->_atSpace = false;
171 function skipSpace () {
172 $nlines = count($this->_lines);
174 if ($this->_pos >= $nlines) {
175 $this->_atSpace = false;
178 if ($this->_lines[$this->_pos] != '')
181 $this->_atSpace = true;
183 return $this->_atSpace;
186 function currentLine () {
187 if ($this->_pos >= count($this->_lines)) {
190 return $this->_lines[$this->_pos];
193 function nextLine () {
194 $this->_atSpace = $this->_lines[$this->_pos++] === '';
195 if ($this->_pos >= count($this->_lines)) {
198 return $this->_lines[$this->_pos];
201 function advance () {
202 $this->_atSpace = ($this->_lines[$this->_pos] === '');
207 return array($this->_pos, $this->_atSpace);
210 function setPos ($pos) {
211 list($this->_pos, $this->_atSpace) = $pos;
214 function getPrefix () {
218 function getDepth () {
223 if ($this->_pos < count($this->_lines))
224 return $this->_lines[$this->_pos];
229 function _debug ($tab, $msg) {
231 $where = $this->where();
232 $tab = str_repeat('____', $this->getDepth() ) . $tab;
233 printXML(HTML::div("$tab $msg: at: '",
240 class BlockParser_InputSubBlock extends BlockParser_Input
242 function BlockParser_InputSubBlock (&$input, $prefix_re, $initial_prefix = false) {
243 $this->_input = &$input;
244 $this->_prefix_pat = "/$prefix_re|\\s*\$/Ax";
245 $this->_atSpace = false;
247 if (($line = $input->currentLine()) === false)
248 $this->_line = false;
249 elseif ($initial_prefix) {
250 assert(substr($line, 0, strlen($initial_prefix)) == $initial_prefix);
251 $this->_line = (string) substr($line, strlen($initial_prefix));
252 $this->_atBlank = ! ltrim($line);
254 elseif (preg_match($this->_prefix_pat, $line, $m)) {
255 $this->_line = (string) substr($line, strlen($m[0]));
256 $this->_atBlank = ! ltrim($line);
259 $this->_line = false;
262 function skipSpace () {
263 // In contrast to the case for top-level blocks,
264 // for sub-blocks, there never appears to be any trailing space.
265 // (The last block in the sub-block should always be of class tight-bottom.)
266 while ($this->_line === '')
269 if ($this->_line === false)
270 return $this->_atSpace == 'strong_space';
272 return $this->_atSpace;
275 function currentLine () {
279 function nextLine () {
280 if ($this->_line === '')
281 $this->_atSpace = $this->_atBlank ? 'weak_space' : 'strong_space';
283 $this->_atSpace = false;
285 $line = $this->_input->nextLine();
286 if ($line !== false && preg_match($this->_prefix_pat, $line, $m)) {
287 $this->_line = (string) substr($line, strlen($m[0]));
288 $this->_atBlank = ! ltrim($line);
291 $this->_line = false;
296 function advance () {
301 return array($this->_line, $this->_atSpace, $this->_input->getPos());
304 function setPos ($pos) {
305 $this->_line = $pos[0];
306 $this->_atSpace = $pos[1];
307 $this->_input->setPos($pos[2]);
310 function getPrefix () {
311 assert ($this->_line !== false);
312 $line = $this->_input->currentLine();
313 assert ($line !== false && strlen($line) >= strlen($this->_line));
314 return substr($line, 0, strlen($line) - strlen($this->_line));
317 function getDepth () {
318 return $this->_input->getDepth() + 1;
322 return $this->_input->where();
327 class Block_HtmlElement extends HtmlElement
329 function Block_HtmlElement($tag /*, ... */) {
330 $this->_init(func_get_args());
333 function setTightness($top, $bottom) {
337 class ParsedBlock extends Block_HtmlElement {
339 function ParsedBlock (&$input, $tag = 'div', $attr = false) {
340 $this->Block_HtmlElement($tag, $attr);
341 $this->_initBlockTypes();
342 $this->_parse($input);
345 function _parse (&$input) {
346 // php5 failed to advance the block. php5 copies objects by ref.
347 // nextBlock == block, both are the same objects. So we have to clone it.
348 for ($block = $this->_getBlock($input);
350 $block = (is_object($nextBlock) ? clone($nextBlock) : $nextBlock))
352 while ($nextBlock = $this->_getBlock($input)) {
353 // Attempt to merge current with following block.
354 if (! ($merged = $block->merge($nextBlock)) ) {
355 break; // can't merge
359 $this->pushContent($block->finish());
363 // FIXME: hackish. This should only be called once.
364 function _initBlockTypes () {
365 // better static or global?
366 static $_regexpset, $_block_types;
368 if (!is_object($_regexpset)) {
369 // nowiki_wikicreole must be before template_plugin
371 ('nowiki_wikicreole', 'template_plugin', 'placeholder', 'oldlists', 'list', 'dl', 'table_dl', 'table_wikicreole', 'table_mediawiki',
372 'blockquote', 'heading', 'heading_wikicreole', 'hr', 'pre', 'email_blockquote',
373 'plugin', 'plugin_wikicreole', 'p');
374 // insert it before p!
375 if (ENABLE_MARKUP_DIVSPAN) {
376 array_pop($Block_types);
377 $Block_types[] = 'divspan';
378 $Block_types[] = 'p';
380 foreach ($Block_types as $type) {
381 $class = "Block_$type";
383 $this->_block_types[] = $proto;
384 $this->_regexps[] = $proto->_re;
386 $this->_regexpset = new AnchoredRegexpSet($this->_regexps);
387 $_regexpset = $this->_regexpset;
388 $_block_types = $this->_block_types;
391 $this->_regexpset = $_regexpset;
392 $this->_block_types = $_block_types;
396 function _getBlock (&$input) {
397 $this->_atSpace = $input->skipSpace();
399 $line = $input->currentLine();
400 if ($line === false or $line === '') { // allow $line === '0'
403 $tight_top = !$this->_atSpace;
404 $re_set = &$this->_regexpset;
405 //FIXME: php5 fails to advance here!
406 for ($m = $re_set->match($line); $m; $m = $re_set->nextMatch($line, $m)) {
407 $block = clone($this->_block_types[$m->regexp_ind]);
408 if (DEBUG & _DEBUG_PARSER)
409 $input->_debug('>', get_class($block));
411 if ($block->_match($input, $m)) {
412 //$block->_text = $line;
413 if (DEBUG & _DEBUG_PARSER)
414 $input->_debug('<', get_class($block));
415 $tight_bottom = ! $input->skipSpace();
416 $block->_setTightness($tight_top, $tight_bottom);
419 if (DEBUG & _DEBUG_PARSER)
420 $input->_debug('[', "_match failed");
422 if ($line === false or $line === '') // allow $line === '0'
425 trigger_error("Couldn't match block: '$line'", E_USER_NOTICE);
430 class WikiText extends ParsedBlock {
431 function WikiText ($text) {
432 $input = new BlockParser_Input($text);
433 $this->ParsedBlock($input);
437 class SubBlock extends ParsedBlock {
438 function SubBlock (&$input, $indent_re, $initial_indent = false,
439 $tag = 'div', $attr = false) {
440 $subinput = new BlockParser_InputSubBlock($input, $indent_re, $initial_indent);
441 $this->ParsedBlock($subinput, $tag, $attr);
446 * TightSubBlock is for use in parsing lists item bodies.
448 * If the sub-block consists of a single paragraph, it omits
449 * the paragraph element.
451 * We go to this trouble so that "tight" lists look somewhat reasonable
452 * in older (non-CSS) browsers. (If you don't do this, then, without
453 * CSS, you only get "loose" lists.
455 class TightSubBlock extends SubBlock {
456 function TightSubBlock (&$input, $indent_re, $initial_indent = false,
457 $tag = 'div', $attr = false) {
458 $this->SubBlock($input, $indent_re, $initial_indent, $tag, $attr);
460 // If content is a single paragraph, eliminate the paragraph...
461 if (count($this->_content) == 1) {
462 $elem = $this->_content[0];
463 if (isa($elem, 'XmlElement') and $elem->getTag() == 'p') {
464 $this->setContent($elem->getContent());
473 function _match (&$input, $match) {
474 trigger_error('pure virtual', E_USER_ERROR);
477 function _setTightness ($top, $bot) {
478 // $this->_element->setTightness($top, $bot);
481 function merge ($followingBlock) {
486 return $this->_element;
490 class Block_blockquote extends BlockMarkup
493 var $_re = '\ +(?=\S)';
495 function _match (&$input, $m) {
496 $this->_depth = strlen($m->match);
497 $indent = sprintf("\\ {%d}", $this->_depth);
498 $this->_element = new SubBlock($input, $indent, $m->match,
503 function merge ($nextBlock) {
504 if (get_class($nextBlock) == get_class($this)) {
505 assert ($nextBlock->_depth < $this->_depth);
506 $nextBlock->_element->unshiftContent($this->_element);
507 if (!empty($this->_tight_top))
508 $nextBlock->_tight_top = $this->_tight_top;
515 class Block_list extends BlockMarkup
517 //var $_tag = 'ol' or 'ul';
523 | [*]\ (?!(?=\S)[^*]*(?<=\S)[*](?:\\s|[-)}>"\'\\/:.,;!?_*=]) )
525 var $_content = array();
527 function _match (&$input, $m) {
528 // A list as the first content in a list is not allowed.
531 // Should markup as <ul><li>* Item</li></ul>,
532 // not <ul><li><ul><li>Item</li></ul>/li></ul>.
534 if (preg_match('/[*#+-o]/', $input->getPrefix())) {
539 $indent = sprintf("\\ {%d}", strlen($prefix));
541 $bullet = trim($m->match);
542 $this->_tag = $bullet == '#' ? 'ol' : 'ul';
543 $this->_content[] = new TightSubBlock($input, $indent, $m->match, 'li');
547 function _setTightness($top, $bot) {
548 $li = &$this->_content[0];
549 $li->setTightness($top, $bot);
552 function merge ($nextBlock) {
553 if (isa($nextBlock, 'Block_list') and $this->_tag == $nextBlock->_tag) {
554 if ($nextBlock->_content === $this->_content) {
555 trigger_error("Internal Error: no block advance", E_USER_NOTICE);
558 array_splice($this->_content, count($this->_content), 0,
559 $nextBlock->_content);
566 return new Block_HtmlElement($this->_tag, false, $this->_content);
570 class Block_dl extends Block_list
574 function Block_dl () {
575 $this->_re = '\ {0,4}\S.*(?<!'.ESCAPE_CHAR.'):\s*$';
578 function _match (&$input, $m) {
579 if (!($p = $this->_do_match($input, $m)))
581 list ($term, $defn, $loose) = $p;
583 $this->_content[] = new Block_HtmlElement('dt', false, $term);
584 $this->_content[] = $defn;
585 $this->_tight_defn = !$loose;
589 function _setTightness($top, $bot) {
590 $dt = &$this->_content[0];
591 $dd = &$this->_content[1];
593 $dt->setTightness($top, $this->_tight_defn);
594 $dd->setTightness($this->_tight_defn, $bot);
597 function _do_match (&$input, $m) {
598 $pos = $input->getPos();
600 $firstIndent = strspn($m->match, ' ');
601 $pat = sprintf('/\ {%d,%d}(?=\s*\S)/A', $firstIndent + 1, $firstIndent + 5);
604 $loose = $input->skipSpace();
605 $line = $input->currentLine();
607 if (!$line || !preg_match($pat, $line, $mm)) {
608 $input->setPos($pos);
609 return false; // No body found.
612 $indent = strlen($mm[0]);
613 $term = TransformInline(rtrim(substr(trim($m->match),0,-1)));
614 $defn = new TightSubBlock($input, sprintf("\\ {%d}", $indent), false, 'dd');
615 return array($term, $defn, $loose);
621 class Block_table_dl_defn extends XmlContent
626 function Block_table_dl_defn ($term, $defn) {
628 if (!is_array($defn))
629 $defn = $defn->getContent();
631 $this->_next_tight_top = false; // value irrelevant - gets fixed later
632 $this->_ncols = $this->_ComputeNcols($defn);
635 foreach ($defn as $item) {
636 if ($this->_IsASubtable($item))
637 $this->_addSubtable($item);
639 $this->_addToRow($item);
643 $th = HTML::th($term);
644 if ($this->_nrows > 1)
645 $th->setAttr('rowspan', $this->_nrows);
646 $this->_setTerm($th);
649 function setTightness($tight_top, $tight_bot) {
650 $this->_tight_top = $tight_top;
651 $this->_tight_bot = $tight_bot;
652 $first = &$this->firstTR();
653 $last = &$this->lastTR();
654 $first->setInClass('top', $tight_top);
656 $last->setInClass('bottom', $tight_bot);
658 trigger_error(sprintf("no lastTR: %s",AsXML($this->_content[0])), E_USER_WARNING);
662 function _addToRow ($item) {
663 if (empty($this->_accum)) {
664 $this->_accum = HTML::td();
665 if ($this->_ncols > 2)
666 $this->_accum->setAttr('colspan', $this->_ncols - 1);
668 $this->_accum->pushContent($item);
671 function _flushRow ($tight_bottom=false) {
672 if (!empty($this->_accum)) {
673 $row = new Block_HtmlElement('tr', false, $this->_accum);
675 $row->setTightness($this->_next_tight_top, $tight_bottom);
676 $this->_next_tight_top = $tight_bottom;
678 $this->pushContent($row);
679 $this->_accum = false;
684 function _addSubtable ($table) {
685 if (!($table_rows = $table->getContent()))
688 $this->_flushRow($table_rows[0]->_tight_top);
690 foreach ($table_rows as $subdef) {
691 $this->pushContent($subdef);
692 $this->_nrows += $subdef->nrows();
693 $this->_next_tight_top = $subdef->_tight_bot;
697 function _setTerm ($th) {
698 $first_row = &$this->_content[0];
699 if (isa($first_row, 'Block_table_dl_defn'))
700 $first_row->_setTerm($th);
702 $first_row->unshiftContent($th);
705 function _ComputeNcols ($defn) {
707 foreach ($defn as $item) {
708 if ($this->_IsASubtable($item)) {
709 $row = $this->_FirstDefn($item);
710 $ncols = max($ncols, $row->ncols() + 1);
716 function _IsASubtable ($item) {
717 return isa($item, 'HtmlElement')
718 && $item->getTag() == 'table'
719 && $item->getAttr('class') == 'wiki-dl-table';
722 function _FirstDefn ($subtable) {
723 $defs = $subtable->getContent();
728 return $this->_ncols;
732 return $this->_nrows;
735 function & firstTR() {
736 $first = &$this->_content[0];
737 if (isa($first, 'Block_table_dl_defn'))
738 return $first->firstTR();
742 function & lastTR() {
743 $last = &$this->_content[$this->_nrows - 1];
744 if (isa($last, 'Block_table_dl_defn'))
745 return $last->lastTR();
749 function setWidth ($ncols) {
750 assert($ncols >= $this->_ncols);
751 if ($ncols <= $this->_ncols)
753 $rows = &$this->_content;
754 for ($i = 0; $i < count($rows); $i++) {
756 if (isa($row, 'Block_table_dl_defn'))
757 $row->setWidth($ncols - 1);
759 $n = count($row->_content);
760 $lastcol = &$row->_content[$n - 1];
761 if (!empty($lastcol))
762 $lastcol->setAttr('colspan', $ncols - 1);
768 class Block_table_dl extends Block_dl
770 var $_tag = 'dl-table'; // phony.
772 function Block_table_dl() {
773 $this->_re = '\ {0,4} (?:\S.*)? (?<!'.ESCAPE_CHAR.') \| \s* $';
776 function _match (&$input, $m) {
777 if (!($p = $this->_do_match($input, $m)))
779 list ($term, $defn, $loose) = $p;
781 $this->_content[] = new Block_table_dl_defn($term, $defn);
785 function _setTightness($top, $bot) {
786 $this->_content[0]->setTightness($top, $bot);
791 $defs = &$this->_content;
794 foreach ($defs as $defn)
795 $ncols = max($ncols, $defn->ncols());
797 foreach ($defs as $key => $defn)
798 $defs[$key]->setWidth($ncols);
800 return HTML::table(array('class' => 'wiki-dl-table',
808 class Block_oldlists extends Block_list
810 //var $_tag = 'ol', 'ul', or 'dl';
811 var $_re = '(?: [*]\ (?!(?=\S)[^*]*(?<=\S)[*](?:\\s|[-)}>"\'\\/:.,;!?_*=]))
812 | [#]\ (?! \[ .*? \] )
816 function _match (&$input, $m) {
818 if (!preg_match('/[*#;]*$/A', $input->getPrefix())) {
824 $oldindent = '[*#;](?=[#*]|;.*:.*\S)';
825 $newindent = sprintf('\\ {%d}', strlen($prefix));
826 $indent = "(?:$oldindent|$newindent)";
828 $bullet = $prefix[0];
829 if ($bullet == '*') {
833 elseif ($bullet == '#') {
839 list ($term,) = explode(':', substr($prefix, 1), 2);
842 $this->_content[] = new Block_HtmlElement('dt', false,
843 TransformInline($term));
847 $this->_content[] = new TightSubBlock($input, $indent, $m->match, $itemtag);
851 function _setTightness($top, $bot) {
852 if (count($this->_content) == 1) {
853 $li = &$this->_content[0];
854 $li->setTightness($top, $bot);
857 // This is where php5 usually brakes.
858 // wrong duplicated <li> contents
859 if (DEBUG and DEBUG & _DEBUG_PARSER and check_php_version(5)) {
860 if (count($this->_content) != 2) {
863 $class = new Reflection_Class('XmlElement');
864 // Print out basic information
866 "===> The %s%s%s %s '%s' [extends %s]\n".
869 " having the modifiers %d [%s]\n",
870 $class->isInternal() ? 'internal' : 'user-defined',
871 $class->isAbstract() ? ' abstract' : '',
872 $class->isFinal() ? ' final' : '',
873 $class->isInterface() ? 'interface' : 'class',
875 var_export($class->getParentClass(), 1),
876 $class->getFileName(),
877 $class->getStartLine(),
878 $class->getEndline(),
879 $class->getModifiers(),
880 implode(' ', Reflection::getModifierNames($class->getModifiers()))
882 // Print class properties
883 printf("---> Properties: %s\n", var_export($class->getProperties(), 1));
885 echo 'count($this->_content): ', count($this->_content),"\n";
886 echo "\$this->_content[0]: "; var_dump ($this->_content[0]);
888 for ($i=1; $i < min(5, count($this->_content)); $i++) {
889 $c =& $this->_content[$i];
890 echo '$this->_content[',$i,"]: \n";
891 echo "_tag: "; var_dump ($c->_tag);
892 echo "_content: "; var_dump ($c->_content);
893 echo "_properties: "; var_dump ($c->_properties);
895 debug_print_backtrace();
896 if (DEBUG & _DEBUG_APD) {
897 if (function_exists("xdebug_get_function_stack")) {
898 var_dump (xdebug_get_function_stack());
904 if (!check_php_version(5))
905 assert(count($this->_content) == 2);
906 $dt = &$this->_content[0];
907 $dd = &$this->_content[1];
908 $dt->setTightness($top, false);
909 $dd->setTightness(false, $bot);
914 class Block_pre extends BlockMarkup
916 var $_re = '<(?:pre|verbatim|nowiki|noinclude)>';
918 function _match (&$input, $m) {
919 $endtag = '</' . substr($m->match, 1);
921 $pos = $input->getPos();
923 $line = $m->postmatch;
924 while (ltrim($line) != $endtag) {
926 if (($line = $input->nextLine()) === false) {
927 $input->setPos($pos);
933 if ($m->match == '<nowiki>')
934 $text = join("<br>\n", $text);
936 $text = join("\n", $text);
938 // FIXME: no <img>, <big>, <small>, <sup>, or <sub>'s allowed
940 if ($m->match == '<pre>') {
941 $text = TransformInline($text);
943 if ($m->match == '<noinclude>') {
944 $text = TransformText($text);
945 $this->_element = new Block_HtmlElement('div', false, $text);
946 } else if ($m->match == '<nowiki>') {
947 $text = TransformInlineNowiki($text);
948 $this->_element = new Block_HtmlElement('p', false, $text);
950 $this->_element = new Block_HtmlElement('pre', false, $text);
956 // Wikicreole placeholder
958 class Block_placeholder extends BlockMarkup
962 function _match (&$input, $m) {
965 $pos = $input->getPos();
967 $line = $m->postmatch;
968 while (ltrim($line) != $endtag) {
970 if (($line = $input->nextLine()) === false) {
971 $input->setPos($pos);
977 $text = join("\n", $text);
978 $text = '<<<' . $text . '>>>';
979 $this->_element = new Block_HtmlElement('div', false, $text);
984 class Block_nowiki_wikicreole extends BlockMarkup
988 function _match (&$input, $m) {
991 $pos = $input->getPos();
993 $line = $m->postmatch;
994 while (ltrim($line) != $endtag) {
996 if (($line = $input->nextLine()) === false) {
997 $input->setPos($pos);
1003 $text = join("\n", $text);
1004 $this->_element = new Block_HtmlElement('pre', false, $text);
1009 class Block_plugin extends Block_pre
1011 var $_re = '<\?plugin(?:-form)?(?!\S)';
1014 /* <?plugin Backlinks
1016 /* <?plugin ListPages pages=<!plugin-list Backlinks!>
1017 * exclude=<!plugin-list TitleSearch s=T*!> ?>
1021 function _match (&$input, $m) {
1022 $pos = $input->getPos();
1023 $pi = $m->match . $m->postmatch;
1024 while (!preg_match('/(?<!'.ESCAPE_CHAR.')\?>\s*$/', $pi)) {
1025 if (($line = $input->nextLine()) === false) {
1026 $input->setPos($pos);
1033 $this->_element = new Cached_PluginInvocation($pi);
1038 class Block_plugin_wikicreole extends Block_pre
1040 // var $_re = '<<(?!\S)';
1043 function _match (&$input, $m) {
1044 $pos = $input->getPos();
1045 $pi = "<?plugin " . $m->postmatch;
1046 while (!preg_match('/(?<!'.ESCAPE_CHAR.')>>\s*$/', $pi)) {
1047 if (($line = $input->nextLine()) === false) {
1048 $input->setPos($pos);
1055 $pi = str_replace(">>", "?>", $pi);
1057 $this->_element = new Cached_PluginInvocation($pi);
1062 class Block_table_wikicreole extends Block_pre
1066 function _match (&$input, $m) {
1067 $pos = $input->getPos();
1068 $pi = "|" . $m->postmatch;
1072 if ((($line = $input->nextLine()) === false) && !$intable) {
1073 $input->setPos($pos);
1080 $trimline = trim($line);
1081 if ($trimline[0] != "|") {
1085 $pi .= "\n$trimline";
1088 $pi = '<'.'?plugin WikicreoleTable ' . $pi . '?'.'>';
1090 $this->_element = new Cached_PluginInvocation($pi);
1095 /** ENABLE_MARKUP_MEDIAWIKI_TABLE
1096 * Table syntax similar to Mediawiki
1098 * => <?plugin MediawikiTable
1102 class Block_table_mediawiki extends Block_pre
1106 function _match (&$input, $m) {
1107 $pos = $input->getPos();
1108 $pi = $m->postmatch;
1109 while (!preg_match('/(?<!'.ESCAPE_CHAR.')\|}\s*$/', $pi)) {
1110 if (($line = $input->nextLine()) === false) {
1111 $input->setPos($pos);
1118 $pi = str_replace("\|}", "", $pi);
1119 $pi = '<'.'?plugin MediawikiTable ' . $pi . '?'.'>';
1120 $this->_element = new Cached_PluginInvocation($pi);
1125 class Block_template_plugin extends Block_pre
1129 function _match (&$input, $m) {
1130 $pos = $input->getPos();
1131 // $pi = "<?plugin Template page=" . $m->postmatch;
1132 $pi = $m->postmatch;
1133 while (!preg_match('/(?<!'.ESCAPE_CHAR.')}}\s*$/', $pi)) {
1134 if (($line = $input->nextLine()) === false) {
1135 $input->setPos($pos);
1143 $pi = trim($pi, "}}");
1145 if (strpos($pi, "|") === false) {
1149 $imagename = substr($pi, 0, strpos($pi, "|"));
1150 $alt = ltrim(strstr($pi, "|"), "|");
1153 // It's not a Mediawiki template, it's a Wikicreole image
1154 if (is_image($imagename)) {
1155 $this->_element = LinkImage(UPLOAD_DATA_PATH . $imagename, $alt);
1159 $pi = str_replace("\n", "", $pi);
1162 if (preg_match('/^(\S+?)\|(.*)$/', $pi, $_m)) {
1164 $vars = '"' . preg_replace('/\|/', '" "', $_m[2]) . '"';
1165 $vars = preg_replace('/"(\S+)=([^"]*)"/', '\\1="\\2"', $vars);
1168 // pi may contain a version number
1169 // {{foo?version=5}}
1170 // in that case, output is "page=foo rev=5"
1171 if (strstr($pi, "?")) {
1172 $pi = str_replace("?version=", "\" rev=\"", $page);
1176 $pi = '<'.'?plugin Template page="'.$pi.'" '.$vars . ' ?>';
1178 $pi = '<'.'?plugin Template page="' . $pi . '" ?>';
1179 $this->_element = new Cached_PluginInvocation($pi);
1184 class Block_email_blockquote extends BlockMarkup
1186 var $_attr = array('class' => 'mail-style-quote');
1189 function _match (&$input, $m) {
1190 //$indent = str_replace(' ', '\\ ', $m->match) . '|>$';
1191 $indent = $this->_re;
1192 $this->_element = new SubBlock($input, $indent, $m->match,
1193 'blockquote', $this->_attr);
1198 class Block_hr extends BlockMarkup
1200 var $_re = '-{4,}\s*$';
1202 function _match (&$input, $m) {
1204 $this->_element = new Block_HtmlElement('hr');
1208 function _setTightness($top, $bot) {
1209 // Don't tighten <hr/>s
1213 class Block_heading extends BlockMarkup
1215 var $_re = '!{1,3}';
1217 function _match (&$input, $m) {
1218 $tag = "h" . (5 - strlen($m->match));
1219 $text = TransformInline(trim($m->postmatch));
1222 $this->_element = new Block_HtmlElement($tag, false, $text);
1227 function _setTightness($top, $bot) {
1228 // Don't tighten headers.
1232 class Block_heading_wikicreole extends BlockMarkup
1234 var $_re = '={2,6}';
1236 function _match (&$input, $m) {
1237 $tag = "h" . strlen($m->match);
1239 $header = trim($m->postmatch);
1240 // Remove '='s at the end so that Mediawiki syntax is recognized
1241 $header = trim($header, "=");
1242 $text = TransformInline(trim($header));
1245 $this->_element = new Block_HtmlElement($tag, false, $text);
1250 function _setTightness($top, $bot) {
1251 // Don't tighten headers.
1255 class Block_p extends BlockMarkup
1261 function _match (&$input, $m) {
1262 $this->_text = $m->match;
1267 function _setTightness ($top, $bot) {
1268 $this->_tight_top = $top;
1269 $this->_tight_bot = $bot;
1272 function merge ($nextBlock) {
1273 $class = get_class($nextBlock);
1274 if (strtolower($class) == 'block_p' and $this->_tight_bot) {
1275 $this->_text .= "\n" . $nextBlock->_text;
1276 $this->_tight_bot = $nextBlock->_tight_bot;
1282 function finish () {
1283 $content = TransformInline(trim($this->_text));
1284 $p = new Block_HtmlElement('p', false, $content);
1285 $p->setTightness($this->_tight_top, $this->_tight_bot);
1290 class Block_divspan extends BlockMarkup
1292 var $_re = '<(?im)(?: div|span)(?:[^>]*)?>';
1294 function _match (&$input, $m) {
1295 if (substr($m->match,1,4) == 'span') {
1301 $argstr = substr(trim(substr($m->match,strlen($tag)+1)),0,-1);
1302 $pos = $input->getPos();
1303 $pi = $content = $m->postmatch;
1304 while (!preg_match('/^(.*)\<\/'.$tag.'\>(.*)$/i', $pi, $me)) {
1305 if ($pi != $content)
1306 $content .= "\n$pi";
1307 if (($pi = $input->nextLine()) === false) {
1308 $input->setPos($pos);
1312 if ($pi != $content)
1313 $content .= $me[1]; // prematch
1317 if (strstr($content, "\n"))
1318 $content = TransformText($content);
1320 $content = TransformInline($content);
1325 while (preg_match("/(\w+)=(.+)/", $argstr, $m)) {
1326 $k = $m[1]; $v = $m[2];
1327 if (preg_match("/^\"(.+?)\"(.*)$/", $v, $m)) {
1331 preg_match("/^(\s+)(.*)$/", $v, $m);
1335 if (trim($k) and trim($v)) $args[$k] = $v;
1338 $this->_element = new Block_HtmlElement($tag, $args, $content);
1339 //$this->_element->setTightness($tag == 'span', $tag == 'span');
1342 function _setTightness($top, $bot) {
1343 // Don't tighten user <div|span>
1348 ////////////////////////////////////////////////////////////////
1352 * Transform the text of a page, and return a parse tree.
1354 function TransformTextPre ($text, $markup = 2.0, $basepage=false) {
1355 if (isa($text, 'WikiDB_PageRevision')) {
1357 $text = $rev->getPackedContent();
1358 $markup = $rev->get('markup');
1360 // NEW: default markup is new, to increase stability
1361 if (!empty($markup) && $markup < 2.0) {
1362 $text = ConvertOldMarkup($text);
1365 /*if (!empty($markup) && $markup == 3) {
1366 $text = ConvertFromCreole($text);
1368 // Expand leading tabs.
1369 $text = expand_tabs($text);
1370 //set_time_limit(3);
1371 $output = new WikiText($text);
1377 * Transform the text of a page, and return an XmlContent,
1378 * suitable for printXml()-ing.
1380 function TransformText ($text, $markup = 2.0, $basepage = false) {
1381 $output = TransformTextPre($text, $markup, $basepage);
1383 // This is for immediate consumption.
1384 // We must bind the contents to a base pagename so that
1385 // relative page links can be properly linkified...
1386 return new CacheableMarkup($output->getContent(), $basepage);
1388 return new XmlContent($output->getContent());
1391 // (c-file-style: "gnu")
1395 // c-basic-offset: 4
1396 // c-hanging-comment-ender-p: nil
1397 // indent-tabs-mode: nil